Goodman 3.5 Ton R32 Evaporator Coil With Internal TXV Horizontal (CHPTA4230C3)
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Key features
- 3.5-ton capacity horizontal configuration for attic and space-constrained installs
- Factory-installed internal TXV for precise refrigerant metering without a separate field component
- R-32 refrigerant compatible, with lower global warming potential than R-410A
- Aluminum fin and copper tube coil construction for heat transfer
- Designed for use in matched split systems; must be paired with a compatible R-32 outdoor unit
- Goodman factory warranty requires matched-system installation and registration
About this system
The Goodman CHPTA4230C3 is a 3.5-ton horizontal evaporator coil designed to work alongside a compatible split-system air conditioner or heat pump. Its horizontal orientation makes it a natural fit for attic installations, crawl-space air handlers, and any application where vertical cabinet space is limited. The coil is factory-configured for R-32 refrigerant, a lower-global-warming-potential refrigerant that is increasingly standard on newer equipment, so it pairs correctly with R-32-compatible condensing units rather than older R-410A systems.
An internal thermostatic expansion valve (TXV) is included from the factory, which regulates refrigerant flow more precisely than a fixed orifice metering device. That precision helps the system maintain efficiency across a range of operating conditions and reduces the risk of liquid refrigerant flooding back to the compressor. Because the TXV is internal, there is no separate field-installed metering component to source or size, which simplifies the installation slightly. The coil itself does not carry a SEER2 rating on its own; final system efficiency depends entirely on the matched outdoor unit, so buyers should verify the coil-and-condenser combination achieves the efficiency rating they need before purchasing.
At 3.5 tons, this coil is sized for homes roughly in the 1,600 to 2,200 square foot range, though actual sizing should always come from a Manual J load calculation. It suits homeowners replacing a failed coil in an existing horizontal air handler, contractors building out a new R-32 split system, or anyone who needs horizontal configuration where a cased upflow or downflow coil simply will not fit.
The CHPTA4230C3 is a straightforward, no-frills evaporator coil that does the job at a price point noticeably below comparable coils from Carrier, Trane, or Lennox. The internal TXV and R-32 compatibility are genuinely useful features at this price, but Goodman's documented history of evaporator coil leaks in owner reviews means the long-term picture depends heavily on installation quality and whether your contractor pressure-tests and properly charges the system. For budget-focused buyers working with a skilled installer, it is a reasonable choice; for those prioritizing long-term worry-free ownership, the premium brands deserve a harder look.
Overall score is the average of the five ratings above.
What we like
- Priced 15 to 25 percent below comparable coils from Trane, Lennox, and Carrier
- Factory-installed internal TXV removes the need for a separate metering device
- R-32 refrigerant support aligns with current and near-future equipment trends
- Horizontal configuration fills a real gap for attic and crawl-space installations
- Wide dealer and contractor availability across most U.S. markets
Trade-offs
- Evaporator coil leaks are a documented and recurring complaint in owner reviews, which is a notable concern for a coil-specific product
- A minority of owners report refrigerant leaks within the first year, most often tied to installation or charge issues rather than the coil itself
- System efficiency rating is only established when paired with a specific matched outdoor unit; the coil alone carries no SEER2 rating
- Goodman's overall owner satisfaction scores are modest (around 2.5 on ConsumerAffairs and 3.8 on dealer Google reviews), with repair costs after year 7 being a repeated theme
What homeowners and pros say about Goodman
Homeowners who have gone with Goodman equipment tend to split along a clear line: those who are satisfied cite the lower upfront cost and the fact that the system works adequately for years without drama, while those who are dissatisfied point to repair bills that start accumulating around year 7 or 8. That pattern shows up directly in the brand’s ratings: Goodman sits at roughly 2.5 out of 5 on ConsumerAffairs, a complaint-heavy channel, while dealer Google reviews average around 3.8 out of 5 across hundreds of locations, where affordability is the praise that appears most often. For an evaporator coil specifically, the concern that comes up most in owner accounts is coil leaks, which are a documented failure mode for Goodman and not a minor one given that a leaking evaporator coil typically means a refrigerant recharge or full coil replacement.
HVAC technicians who work on Goodman equipment regularly will often say the brand is fine if the install is done right, and they mean it. Dual-run capacitor failures are the most common service call on Goodman systems and are usually a straightforward, low-cost repair in the $300 to $600 range. Compressor longevity tends to fall in the 10 to 14 year range rather than the 15 to 20 years more typical of premium brands, which matters less for a standalone coil but is worth knowing if you are building a full Goodman system around this component. A minority of owners also report refrigerant leaks within the first year, and contractors consistently attribute those to installation or initial charge problems rather than a defect in the coil itself, which underscores how much install quality determines the outcome with this brand.
Sources: ConsumerAffairs Goodman owner reviews, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards, Goodman product specification sheets.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| Goodman | CHPTA4230C3 | N/A (coil only) | N/A (coil only) | Value pick |
| Carrier | CNPVP Horizontal Evaporator Coil series | N/A (coil only) | N/A (coil only) | Noticeably higher than Goodman, typically 15 to 25 percent more |
| Trane | TTKU Uncased Horizontal Coil series | N/A (coil only) | N/A (coil only) | Premium-priced relative to Goodman, consistent with Trane's higher brand tier |
| Lennox | CH35 Horizontal Evaporator Coil series | N/A (coil only) | N/A (coil only) | Premium-priced, generally at or above Carrier and Trane for comparable capacity |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
What outdoor units is the CHPTA4230C3 compatible with?
This coil is designed to pair with R-32 compatible condensing units or heat pump outdoor units rated for 3.5-ton capacity. You must verify the specific coil-condenser combination is an AHRI-matched pair to get a rated system efficiency and to qualify for the manufacturer warranty. Using it with an R-410A outdoor unit is not compatible.
Do I need to add a separate TXV or metering device?
No. The CHPTA4230C3 includes a factory-installed internal TXV, so no separate field metering device is required. Your installer should still verify the TXV is functioning correctly and that the system refrigerant charge is set to manufacturer specifications during startup.
What is the warranty on this coil, and what voids it?
Goodman typically offers a 10-year parts warranty on registered equipment, but coverage terms require the unit to be registered within a set window after installation and installed by a licensed HVAC contractor. Improper installation, mismatched refrigerant, or failure to register on time are common reasons claims are denied, so confirm registration requirements with your dealer at purchase.
How concerned should I be about the evaporator coil leak issue Goodman is known for?
Evaporator coil leaks appear in a meaningful share of Goodman owner reviews and are one of the brand's more frequently cited failure modes. The risk is real and worth factoring into your decision. Choosing a contractor who pressure-tests the system thoroughly before startup and uses proper brazing technique reduces the likelihood of an early leak, but it does not eliminate it entirely.
Can this coil be installed in a vertical upflow or downflow air handler instead of horizontal?
No. The CHPTA series is specifically designed and drained for horizontal installation. Installing it in a vertical orientation would cause condensate drainage problems and could damage the air handler and surrounding structure. If you need a vertical configuration, Goodman offers separate cased upflow and downflow coil models for that application.
Specifications
| Cooling capacity | 3.5 Ton |
| Configuration | Horizontal |
| Refrigerant | R-32 |